Mug lid



FIG. 1 is a perspective view of a mug lid according to the presentinvention;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof, the right side view being a mirrorimage thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a perspective view thereof, with a mug shown in broken linesand, therefore, not constituting part of the claimed design.

The ornamental design for a mug lid, as shown and described.